Volvo RWD 1800 Forum

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P1800 ES 1800 1973

greetings Eric et al,

sorry for the delay, nearly did not make it, a routine outpatient op went haywire landing me in ICU for a week!

I digress, so i have been laying in bed anxious to test new part Eric speedily shipped to me, (many Thanks to Eric!)
To catch some of you up, i have been trying to get this beast going for 9 months now. (new everything from valve cover gasket upwards) So having installed replacement MPS, i am cranking....cranking and Sigh to no avail, still nothing.

So i do not understand why i do not even get an attempt to fire, i have gas, spark and compression; the 'CPU' in this instance is not digital signal(or at least to my knowledge, all signaling looks to be analogue.)

Maybe one of our electronic engineers can opine, typically i have an engine light or code to work off for diagnosis but in this case i am completely lost. I wonder if any of our electronic engineers could read the diagram of the MPS and interpret which of the 4 prongs to short in order to get a firing condition.

I am still not quite well yet, but when i am later this week, i will check the timing again and put fresh gas in the tank. I do not think gas is bad yet, its about 6 weeks old and low in the tank - i just want to rule out completely before giving up on this thing.....

thanks in advance all,

Rob
--
Rob






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MESSAGES IN THIS THREAD

New P1800 ES [1800][1973]
posted by  rabs  on Sat Aug 17 06:02 CST 2019 >
  • New P1800 ES [1800][1973]
    posted by  142 guy  on Wed Aug 21 10:31 CST 2019 >
    • New P1800 ES [1800][1973]
      posted by  Ron Kwas  on Wed Aug 21 12:48 CST 2019 >
      • New P1800 ES [1800][1973]
        posted by  rabs  on Wed Aug 21 14:04 CST 2019 >
        • New P1800 ES [1800][1973]
          posted by  142 guy  on Wed Aug 21 17:57 CST 2019 >
          • New P1800 ES
            posted by  rabs  on Wed Aug 21 18:55 CST 2019 >
            • New P1800 ES
              posted by  142 guy  on Thu Aug 22 09:37 CST 2019 >
              • New P1800 ES
                posted by  Ron Kwas  on Thu Aug 22 12:02 CST 2019 >
                • New P1800 ES
                  posted by  Chris Mullet subscriber  on Thu Aug 22 13:25 CST 2019 >
                  • New P1800 ES
                    posted by  rabs  on Thu Aug 22 16:26 CST 2019 >
                    • New P1800 ES
                      posted by  Chris Mullet subscriber  on Fri Aug 23 06:18 CST 2019 >
                    • New P1800 ES
                      posted by  Ron Kwas  on Fri Aug 23 06:26 CST 2019 >
                    • New P1800 ES
                      posted by  someone claiming to be ROLFE  on Fri Aug 23 07:41 CST 2019 >
                      • New P1800 ES
                        posted by  Volvo From Heck subscriber  on Fri Aug 23 07:56 CST 2019 >
                        • New P1800 ES
                          posted by  rabs  on Fri Aug 23 21:34 CST 2019 >
                          • New P1800 ES
                            posted by  Ron Kwas  on Sat Aug 24 08:22 CST 2019 >
                            • New P1800 ES
                              posted by  rabs  on Sat Aug 24 09:46 CST 2019 >
                            • New P1800 ES
                              posted by  rabs  on Sat Aug 24 15:28 CST 2019 >
                    • New P1800 ES
                      posted by  142 guy  on Fri Aug 23 10:37 CST 2019 >
                      • New P1800 ES
                        posted by  planetman  on Fri Aug 23 12:44 CST 2019 >
                        • New P1800 ES
                          posted by  142 guy  on Fri Aug 23 16:32 CST 2019 >
                      • New P1800 ES
                        posted by  rabs  on Fri Aug 23 16:01 CST 2019 >
                        • New P1800 ES
                          posted by  planetman  on Fri Aug 23 16:43 CST 2019 >
                          • New P1800 ES
                            posted by  rabs  on Fri Aug 23 18:27 CST 2019 >
                            • New P1800 ES
                              posted by  142 guy  on Fri Aug 23 19:55 CST 2019 >
                            • New P1800 ES
                              posted by  planetman  on Fri Aug 23 20:01 CST 2019 >
  • New P1800 ES [1800][1973]
    posted by  c1800 subscriber  on Sat Aug 24 19:24 CST 2019 >
    • New P1800 ES
      posted by  rabs  on Sat Aug 24 21:38 CST 2019 >
      • New P1800 ES
        posted by  derek uk subscriber  on Sun Aug 25 06:05 CST 2019 >


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